{"id":"https://openalex.org/W3167969708","doi":"https://doi.org/10.1080/13658816.2021.1937632","title":"Automatic extraction of building geometries based on centroid clustering and contour analysis on oblique images taken by unmanned aerial vehicles","display_name":"Automatic extraction of building geometries based on centroid clustering and contour analysis on oblique images taken by unmanned aerial vehicles","publication_year":2021,"publication_date":"2021-06-14","ids":{"openalex":"https://openalex.org/W3167969708","doi":"https://doi.org/10.1080/13658816.2021.1937632","mag":"3167969708"},"language":"en","primary_location":{"id":"doi:10.1080/13658816.2021.1937632","is_oa":false,"landing_page_url":"https://doi.org/10.1080/13658816.2021.1937632","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geographical Information Science","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5031477988","display_name":"Leilei Zhang","orcid":"https://orcid.org/0000-0003-0488-6964"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Leilei Zhang","raw_affiliation_strings":["Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian University of Technology, Dalian, Liaoning, China","State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, China"],"raw_orcid":"https://orcid.org/0000-0003-0488-6964","affiliations":[{"raw_affiliation_string":"Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian University of Technology, Dalian, Liaoning, China","institution_ids":["https://openalex.org/I27357992"]},{"raw_affiliation_string":"State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, China","institution_ids":["https://openalex.org/I27357992"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101457292","display_name":"Guoxin Wang","orcid":"https://orcid.org/0000-0003-2363-8595"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Guoxin Wang","raw_affiliation_strings":["Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian University of Technology, Dalian, Liaoning, China","State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian University of Technology, Dalian, Liaoning, China","institution_ids":["https://openalex.org/I27357992"]},{"raw_affiliation_string":"State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, China","institution_ids":["https://openalex.org/I27357992"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101790663","display_name":"Weijian Sun","orcid":"https://orcid.org/0000-0001-5494-5171"},"institutions":[{"id":"https://openalex.org/I27357992","display_name":"Dalian University of Technology","ror":"https://ror.org/023hj5876","country_code":"CN","type":"education","lineage":["https://openalex.org/I27357992"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weijian Sun","raw_affiliation_strings":["Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian University of Technology, Dalian, Liaoning, China","State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Infrastructure Engineering, Institute of Earthquake Engineering, Dalian University of Technology, Dalian, Liaoning, China","institution_ids":["https://openalex.org/I27357992"]},{"raw_affiliation_string":"State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian, Liaoning, China","institution_ids":["https://openalex.org/I27357992"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101457292"],"corresponding_institution_ids":["https://openalex.org/I27357992"],"apc_list":null,"apc_paid":null,"fwci":0.5439,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.5754674,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"36","issue":"3","first_page":"453","last_page":"475"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13282","display_name":"Automated Road and Building Extraction","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11211","display_name":"3D Surveying and Cultural Heritage","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/1907","display_name":"Geology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/centroid","display_name":"Centroid","score":0.8319135904312134},{"id":"https://openalex.org/keywords/oblique-case","display_name":"Oblique case","score":0.7065662145614624},{"id":"https://openalex.org/keywords/orthophoto","display_name":"Orthophoto","score":0.6932740211486816},{"id":"https://openalex.org/keywords/cluster-analysis","display_name":"Cluster analysis","score":0.677811861038208},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.6085531711578369},{"id":"https://openalex.org/keywords/correctness","display_name":"Correctness","score":0.5611532926559448},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.526925265789032},{"id":"https://openalex.org/keywords/silhouette","display_name":"Silhouette","score":0.5224044322967529},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5096890926361084},{"id":"https://openalex.org/keywords/contour-line","display_name":"Contour line","score":0.46445155143737793},{"id":"https://openalex.org/keywords/aerial-photography","display_name":"Aerial photography","score":0.45980679988861084},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.4237910211086273},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.3386373519897461},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.2501828968524933},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.1315174102783203},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.09281492233276367}],"concepts":[{"id":"https://openalex.org/C146599234","wikidata":"https://www.wikidata.org/wiki/Q511093","display_name":"Centroid","level":2,"score":0.8319135904312134},{"id":"https://openalex.org/C160697094","wikidata":"https://www.wikidata.org/wiki/Q1233197","display_name":"Oblique case","level":2,"score":0.7065662145614624},{"id":"https://openalex.org/C82789328","wikidata":"https://www.wikidata.org/wiki/Q922585","display_name":"Orthophoto","level":2,"score":0.6932740211486816},{"id":"https://openalex.org/C73555534","wikidata":"https://www.wikidata.org/wiki/Q622825","display_name":"Cluster analysis","level":2,"score":0.677811861038208},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.6085531711578369},{"id":"https://openalex.org/C55439883","wikidata":"https://www.wikidata.org/wiki/Q360812","display_name":"Correctness","level":2,"score":0.5611532926559448},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.526925265789032},{"id":"https://openalex.org/C58103923","wikidata":"https://www.wikidata.org/wiki/Q2286025","display_name":"Silhouette","level":2,"score":0.5224044322967529},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5096890926361084},{"id":"https://openalex.org/C86069527","wikidata":"https://www.wikidata.org/wiki/Q6653802","display_name":"Contour line","level":2,"score":0.46445155143737793},{"id":"https://openalex.org/C133214962","wikidata":"https://www.wikidata.org/wiki/Q191839","display_name":"Aerial photography","level":2,"score":0.45980679988861084},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4237910211086273},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3386373519897461},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.2501828968524933},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.1315174102783203},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.09281492233276367},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/13658816.2021.1937632","is_oa":false,"landing_page_url":"https://doi.org/10.1080/13658816.2021.1937632","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geographical Information Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.8100000023841858}],"awards":[{"id":"https://openalex.org/G7822795812","display_name":null,"funder_award_id":"2018D19","funder_id":"https://openalex.org/F4320335522","funder_display_name":"Institute of Engineering Mechanics, China Earthquake Administration"}],"funders":[{"id":"https://openalex.org/F4320335522","display_name":"Institute of Engineering Mechanics, China Earthquake Administration","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W1132527629","https://openalex.org/W1162739052","https://openalex.org/W1420097211","https://openalex.org/W1941048329","https://openalex.org/W1966728814","https://openalex.org/W1996749420","https://openalex.org/W2006180637","https://openalex.org/W2016977813","https://openalex.org/W2022686119","https://openalex.org/W2030515688","https://openalex.org/W2065972554","https://openalex.org/W2067191022","https://openalex.org/W2069015072","https://openalex.org/W2074256102","https://openalex.org/W2088805832","https://openalex.org/W2090020933","https://openalex.org/W2092031457","https://openalex.org/W2098736723","https://openalex.org/W2136651098","https://openalex.org/W2164500538","https://openalex.org/W2166656690","https://openalex.org/W2215173806","https://openalex.org/W2260806982","https://openalex.org/W2262607787","https://openalex.org/W2518792500","https://openalex.org/W2567289819","https://openalex.org/W2569640537","https://openalex.org/W2572207425","https://openalex.org/W2581240084","https://openalex.org/W2620618201","https://openalex.org/W2685970220","https://openalex.org/W2773323744","https://openalex.org/W2774038444","https://openalex.org/W2799982666","https://openalex.org/W2888159078","https://openalex.org/W2888162397","https://openalex.org/W2909597226","https://openalex.org/W2923063332"],"related_works":["https://openalex.org/W2910733144","https://openalex.org/W2019992318","https://openalex.org/W92081101","https://openalex.org/W2375166652","https://openalex.org/W2364150658","https://openalex.org/W2113475724","https://openalex.org/W2129137317","https://openalex.org/W2910626700","https://openalex.org/W3041211197","https://openalex.org/W2116357464"],"abstract_inverted_index":{"This":[0],"paper":[1],"introduces":[2],"a":[3,79,85,142],"method":[4,29,138],"based":[5,58],"on":[6,18,59],"centroid":[7,71],"clustering":[8],"and":[9,15,48,88,118,130,148],"contour":[10,36,56,82,86],"analysis":[11,87],"to":[12],"extract":[13,34],"area":[14,131],"height":[16,129],"measurements":[17],"buildings":[19],"from":[20,38],"the":[21,35,39,43,60,75,90,94,111,150],"3D":[22],"model":[23,46],"generated":[24],"by":[25,69,84],"oblique":[26,153],"images.":[27],"The":[28,99,122,137],"comprises":[30],"three":[31],"steps:":[32],"(1)":[33],"plane":[37],"fused":[40],"data":[41],"of":[42,62,93,127,145,152],"digital":[44,49],"surface":[45],"(DSM)":[47],"orthophoto":[50],"map":[51,97],"(DOM);":[52],"(2)":[53],"identify":[54],"building":[55,81,95,128,146],"clusters":[57],"number":[61],"centroids":[63],"contained":[64],"in":[65,78,155],"each":[66],"category":[67],"determined":[68],"mean-shift":[70],"clustering;":[72],"(3)":[73],"remove":[74],"mis-identified":[76],"contours":[77],"given":[80],"cluster":[83],"obtain":[89],"geometric":[91,120],"information":[92],"using":[96],"algebra.":[98],"proposed":[100],"approach":[101],"was":[102],"tested":[103],"against":[104],"four":[105],"datasets.":[106],"Compared":[107],"with":[108],"other":[109],"results,":[110],"detection":[112],"has":[113],"effective":[114],"completeness,":[115],"correctness,":[116],"quality,":[117],"higher":[119],"accuracy.":[121],"maximum":[123],"average":[124],"relative":[125],"error":[126],"extraction":[132],"is":[133,139],"less":[134],"than":[135],"8%.":[136],"fast":[140],"for":[141],"large-scale":[143],"collection":[144],"attributes":[147],"improves":[149],"applicability":[151],"photography":[154],"GIS.":[156]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1}],"updated_date":"2026-07-22T07:51:19.307946","created_date":"2025-10-10T00:00:00"}
